3137 Postcode — Vlaardingen, South Holland

English Nederlands

4-digit postcode 3137 covers Vlaardingen, South Holland. Dutch postcodes are four digits and two letters. The four digits identify a delivery area, and it is the level Statistics Netherlands publishes against, so the figures below describe this postcode itself rather than the town around it.

Residents: 13,405
Households: 6,190
Average property value: €346,000
Owner-occupied: 50%
Average household size: 2.2
Urbanity: Strongly urban

Where 3137 is

Vlaardingen, South Holland — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People

Residents	13,405
Men	6,415
Women	6,990
Under 15	2,080
15 to 25	1,380
25 to 45	2,815
45 to 65	3,350
65 and over	3,780
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	6,190
Average size	2.2
One-person households	35.6%2,205
Couples without children	1,870
One-parent families	10.4%645
Two-parent families	1,470

Housing

Homes	6,240
Average property value (WOZ)	€346,000
Owner-occupied	50%
Rented	50%
Housing-association homes	2,825
Flats and shared buildings	48.9%3,050
Built before 1945	0.2%10
Unoccupied	1.9%120

Area

Addresses per square kilometre	2,484
Urbanity	Strongly urban
Residents on unemployment, disability or income support	7%935

Against the national median

The tick is the national median.

Housing

Owner-occupied	50%
Rented	50%
Flats and shared buildings	48.9%
Built before 1945	0.2%
Unoccupied	1.9%

Households

One-person households	35.6%
One-parent families	10.4%
Residents on unemployment, disability or income support	7%

Age bands

Under 15	15.5166%
15 to 25	10.2947%
25 to 45	20.9996%
45 to 65	24.9907%
65 and over	28.1984%

Figures from Statistics Netherlands (CBS), key figures per postcode, 1 January 2025. CBS withholds figures for areas with too few residents to publish safely, so a missing value here means withheld, not zero.